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// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab
/*
* Ceph - scalable distributed file system
*
* Copyright (C) 2004-2009 Sage Weil <sage@newdream.net>
*
* This is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software
* Foundation. See file COPYING.
*
*/
#include "common/Mutex.h"
#include "common/config.h"
#include "common/debug.h"
#include "include/str_list.h"
#include "AuthMethodList.h"
const static int dout_subsys = ceph_subsys_auth;
AuthMethodList::AuthMethodList(CephContext *cct, string str)
{
list<string> sup_list;
get_str_list(str, sup_list);
if (sup_list.empty()) {
lderr(cct) << "WARNING: empty auth protocol list" << dendl;
}
for (list<string>::iterator iter = sup_list.begin(); iter != sup_list.end(); ++iter) {
ldout(cct, 5) << "adding auth protocol: " << *iter << dendl;
if (iter->compare("cephx") == 0) {
auth_supported.push_back(CEPH_AUTH_CEPHX);
} else if (iter->compare("none") == 0) {
auth_supported.push_back(CEPH_AUTH_NONE);
} else {
lderr(cct) << "WARNING: unknown auth protocol defined: " << *iter << dendl;
}
}
if (auth_supported.empty()) {
auth_supported.push_back(CEPH_AUTH_CEPHX);
}
}
bool AuthMethodList::is_supported_auth(int auth_type)
{
return std::find(auth_supported.begin(), auth_supported.end(), auth_type) != auth_supported.end();
}
int AuthMethodList::pick(const std::set<__u32>& supported)
{
for (set<__u32>::const_reverse_iterator p = supported.rbegin(); p != supported.rend(); ++p)
if (is_supported_auth(*p))
return *p;
return CEPH_AUTH_UNKNOWN;
}
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